{"id":59,"date":"2018-04-27T16:53:13","date_gmt":"2018-04-27T08:53:13","guid":{"rendered":"http:\/\/140.112.65.34\/wordpress\/gravity\/?page_id=59"},"modified":"2019-06-05T14:11:31","modified_gmt":"2019-06-05T06:11:31","slug":"tide","status":"publish","type":"page","link":"https:\/\/www.odb.ntu.edu.tw\/gravity\/dataprocessing\/tide\/","title":{"rendered":"\u6f6e\u6c50\u4fee\u6b63\u8207\u6b63\u5e38\u91cd\u529b\u503c"},"content":{"rendered":"<p>\u7372\u5f97\u6e2c\u9ede\u7684\u7d55\u5c0d\u91cd\u529b\u503c\u5f8c\uff0c\u6263\u6389\u53c3\u8003\u6a62\u7403\u9762\u4e0a\u7684\u6b63\u5e38\u91cd\u529b\u503c(normal gravity)\uff0c\u5373\u53ef\u5f97\u5230\u81ea\u7531\u7a7a\u9593\u91cd\u529b\u7570\u5e38\uff0c\u7136\u800c\u6211\u5011\u7684\u7d55\u5c0d\u91cd\u529b\u503c\u9700\u518d\u5c07\u6f6e\u6c50\u9020\u6210\u7684\u9ad8\u7a0b\u5f71\u97ff\u6263\u9664\u6b78\u7b97\u81f3\u5e73\u5747\u6d77\u6c34\u9762\uff0c\u56e0\u6b64\u81ea\u7531\u7a7a\u9593\u91cd\u529b\u7570\u5e38\u503c <strong><em>\u2206g<sub>FA<\/sub><\/em><\/strong> \u7684\u8a08\u7b97\u516c\u5f0f\u70ba<br \/>\n<strong><em>\u2206g<sub>FA<\/sub> = g<sub>obs<\/sub> &#8211; 0.3086h &#8211; \u03b3<sub>0<\/sub><\/em><\/strong><br \/>\n\u5f0f\u4e2dh\u503c\u662f\u6307\u91cd\u529b\u5100\u8207\u5e73\u5747\u6d77\u6c34\u9762\u7684\u9ad8\u5ea6\u5dee\uff0c\u6211\u5011\u9078\u7528NAO99.JB\u6a21\u578b(Matsumoto et al., 2000)\u4f86\u8a08\u7b97\u6e2c\u9ede\u8655\u7684\u6f6e\u9ad8 <strong><em>H<sub>tide<\/sub><\/em><\/strong> \uff0c\u5229\u7528\u822a\u6b21\u51fa\u767c\u524d\u7684\u6c34\u4f4d\u8a18\u9304\u8207\u6f6e\u9ad8\u6c42\u53d6 <strong><em>h<\/em><\/strong> \u503c\uff1a<br \/>\n<strong><em>h = H<sub>i<\/sub> &#8211; H<sub>d<\/sub> &#8211; H<sub>tide<\/sub><\/em><\/strong><br \/>\n\u800c <strong><em>\u03b3<sub>0<\/sub><\/em><\/strong> \u5247\u662f\u6e2c\u9ede\u5728\u53c3\u8003\u6a62\u7403\u9762\u4e0a\u7684\u6b63\u5e38\u91cd\u529b\u503c\uff0c\u53c3\u8003\u6a62\u7403\u9ad4\u63a1\u75281980\u5e74\u570b\u969b\u5927\u5730\u6e2c\u91cf\u5b78\u8207\u5730\u7403\u7269\u7406\u5b78\u5354\u6703(International Union of Geodesy and Geophysics\uff0cIUGG)\u516c\u5e03\u4e4b\u53c3\u8003\u6a62\u7403\u9ad4GRS80\u70ba\u6a19\u6e96\uff0c\u6b63\u5e38\u91cd\u529b\u503c\u8a08\u7b97\u516c\u5f0f\u70ba(Moritz, 1984)\uff0c<br \/>\n<strong><em>\u03b3<sub>0<\/sub> = 978032.7 ( 1 + 0.0053024 sin<sup>2\u00a0<\/sup>\u03c6 &#8211; 0.0000058 sin<sup>2<\/sup> 2\u03c6 )<\/em><\/strong><\/p>\n<p>\u5176\u4e2d <strong><em>\u03c6<\/em><\/strong> \u70ba\u6e2c\u9ede\u4e4b\u7def\u5ea6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7372\u5f97\u6e2c\u9ede\u7684\u7d55\u5c0d\u91cd\u529b\u503c\u5f8c\uff0c\u6263\u6389\u53c3\u8003\u6a62\u7403\u9762\u4e0a\u7684\u6b63\u5e38\u91cd\u529b\u503c(normal gravity)\uff0c\u5373\u53ef\u5f97\u5230\u81ea\u7531\u7a7a\u2026<\/p>\n<p class=\"continue-reading-button\"> <a class=\"continue-reading-link\" href=\"https:\/\/www.odb.ntu.edu.tw\/gravity\/dataprocessing\/tide\/\">Continue reading<i class=\"crycon-right-dir\"><\/i><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":23,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-59","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.odb.ntu.edu.tw\/gravity\/wp-json\/wp\/v2\/pages\/59","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.odb.ntu.edu.tw\/gravity\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.odb.ntu.edu.tw\/gravity\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.odb.ntu.edu.tw\/gravity\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.odb.ntu.edu.tw\/gravity\/wp-json\/wp\/v2\/comments?post=59"}],"version-history":[{"count":10,"href":"https:\/\/www.odb.ntu.edu.tw\/gravity\/wp-json\/wp\/v2\/pages\/59\/revisions"}],"predecessor-version":[{"id":149,"href":"https:\/\/www.odb.ntu.edu.tw\/gravity\/wp-json\/wp\/v2\/pages\/59\/revisions\/149"}],"up":[{"embeddable":true,"href":"https:\/\/www.odb.ntu.edu.tw\/gravity\/wp-json\/wp\/v2\/pages\/23"}],"wp:attachment":[{"href":"https:\/\/www.odb.ntu.edu.tw\/gravity\/wp-json\/wp\/v2\/media?parent=59"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}